The Data Link Layer is one of my favorite layers of the OSI Model. Like a father who loves ALL of his children equally, but in different ways, I also love the other layers, but Layer 2 will always ...

If you have anything to do with networked AV and you're not well-versed in the OSI model, we've got you covered. You will learn the fundamental ideas around getting data from host A to host B over a ...

As a matter of fact, when I started writing this post I titled it “Layer 4 of the OSI Model – understanding the application layer,” and then I had to go back and correct myself.

Layer 3: The Network Layer At Layer 3, designers find a variety of protocols, many (or most) of which involve data transport over IP. The IP layer is one of the fuzzier areas in most implementations; ...

The OSI model is the basis for most of the modern digital communications. Let’s dive into the seven layers of the OSI model and answers the billion-dollar question: how to protect the transmitted data ...

A network switch is a device that operates at Layer 2 (Data Link layer) of the OSI model. It connects devices on a LAN and forwards data packets only to the intended recipients, unlike a hub which ...

Peeling back the layers One good thing about this stack is that it is broken out into multiple layers, each with specific protocols, which means is has a diverse working surface. Fig. 1: The 7-layer ...

The technical name of a frame of data transmitted over the data link layer (layer 2) in a communications network. Ethernet and Token Ring are examples of this layer. Many people neither use the ...